Trafficking to the primary cilium membrane

Saikat Mukhopadhyay, Hemant B. Badgandi, Sun Hee Hwang, Bandarigoda Somatilaka, Issei S. Shimada, Kasturi Pal

Research output: Contribution to journalReview article

14 Citations (Scopus)

Abstract

The primary cilium has been found to be associated with a number of cellular signaling pathways, such as vertebrate hedgehog signaling, and implicated in the pathogenesis of diseases affecting multiple organs, including the neural tube, kidney, and brain. The primary cilium is the site where a subset of the cell's membrane proteins is enriched. However, pathways that target and concentrate membrane proteins in cilia are not well understood. Processes determining the level of proteins in the ciliary membrane include entry into the compartment, removal, and retention by diffusion barriers such as the transition zone. Proteins that are concentrated in the ciliary membrane are also localized to other cellular sites. Thus it is critical to determine the particular role for ciliary compartmentalization in sensory reception and signaling pathways. Here we provide a brief overview of our current understanding of compartmentalization of proteins in the ciliary membrane and the dynamics of trafficking into and out of the cilium. We also discuss major unanswered questions regarding the role that defects in ciliary compartmentalization might play in disease pathogenesis. Understanding the trafficking mechanisms that underlie the role of ciliary compartmentalization in signaling might provide unique approaches for intervention in progressive ciliopathies.

Original languageEnglish (US)
Pages (from-to)233-239
Number of pages7
JournalMolecular Biology of the Cell
Volume28
Issue number2
DOIs
StatePublished - Jan 15 2017

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Cilia
Membranes
Membrane Proteins
Neural Tube
Proteins
Hedgehogs
Vertebrates
Kidney
Brain

ASJC Scopus subject areas

  • Molecular Biology
  • Cell Biology

Cite this

Mukhopadhyay, S., Badgandi, H. B., Hwang, S. H., Somatilaka, B., Shimada, I. S., & Pal, K. (2017). Trafficking to the primary cilium membrane. Molecular Biology of the Cell, 28(2), 233-239. https://doi.org/10.1091/mbc.E16-07-0505

Trafficking to the primary cilium membrane. / Mukhopadhyay, Saikat; Badgandi, Hemant B.; Hwang, Sun Hee; Somatilaka, Bandarigoda; Shimada, Issei S.; Pal, Kasturi.

In: Molecular Biology of the Cell, Vol. 28, No. 2, 15.01.2017, p. 233-239.

Research output: Contribution to journalReview article

Mukhopadhyay, S, Badgandi, HB, Hwang, SH, Somatilaka, B, Shimada, IS & Pal, K 2017, 'Trafficking to the primary cilium membrane', Molecular Biology of the Cell, vol. 28, no. 2, pp. 233-239. https://doi.org/10.1091/mbc.E16-07-0505
Mukhopadhyay S, Badgandi HB, Hwang SH, Somatilaka B, Shimada IS, Pal K. Trafficking to the primary cilium membrane. Molecular Biology of the Cell. 2017 Jan 15;28(2):233-239. https://doi.org/10.1091/mbc.E16-07-0505
Mukhopadhyay, Saikat ; Badgandi, Hemant B. ; Hwang, Sun Hee ; Somatilaka, Bandarigoda ; Shimada, Issei S. ; Pal, Kasturi. / Trafficking to the primary cilium membrane. In: Molecular Biology of the Cell. 2017 ; Vol. 28, No. 2. pp. 233-239.
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